The men's soft cotton sweatshirt is a seamless blend of comfort and style. The fiber is a blend of cotton and polyester. This combination makes for a prime printing surface. The seams have ribbed knitting. Durability is further assured by the inclusion of neck tape backing. As such, the collars are elastic and stretchy. .: 80% cotton, 20% polyester (fiber content may vary for different colors).: Medium-heavy fabric (9.9 oz/yd (280 g/m)).: Stylish fit.: Tear-away label.: Runs true to size